diff --git a/tests/it/array/growable/list.rs b/tests/it/array/growable/list.rs
index 9aa56b109a..dc992bf0ff 100644
--- a/tests/it/array/growable/list.rs
+++ b/tests/it/array/growable/list.rs
@@ -36,7 +36,6 @@ fn extension() {
 
     let result: ListArray<i32> = a.into();
     assert_eq!(array_ext.data_type(), result.data_type());
-    dbg!(result);
 }
 
 #[test]
diff --git a/tests/it/compute/concatenate.rs b/tests/it/compute/concatenate.rs
index 45f244be0c..cb3b04e693 100644
--- a/tests/it/compute/concatenate.rs
+++ b/tests/it/compute/concatenate.rs
@@ -137,5 +137,5 @@ fn list_of_extensions_of_struct() {
     let empty1 = new_empty_array(data_type.clone());
 
     let c = concatenate(&[empty0.as_ref(), empty1.as_ref()]).unwrap();
-    dbg!(c.data_type());
+    assert_eq!(c.data_type(), &data_type);
 }
diff --git a/tests/it/ffi/data.rs b/tests/it/ffi/data.rs
index 8b77bdf49a..81e2ba6d9e 100644
--- a/tests/it/ffi/data.rs
+++ b/tests/it/ffi/data.rs
@@ -362,24 +362,10 @@ fn extension_children() -> Result<()> {
         ),
         true,
     );
-    test_round_trip_schema(field)
-}
-
-#[test]
-fn extension_struct() -> Result<()> {
-    let data_type = DataType::Extension(
-        "ext".to_owned(),
-        Box::new(DataType::Struct(vec![Field::new(
-            "a",
-            DataType::Int32,
-            true,
-        )])),
-        None,
-    );
+    test_round_trip_schema(field.clone())?;
 
     let values = vec![Int32Array::from([Some(1), None, Some(3)]).boxed()];
     let validity = Bitmap::from([true, false, true]);
-
-    let array = StructArray::new(data_type, values, validity.into());
+    let array = StructArray::new(field.data_type, values, validity.into());
     test_round_trip(array)
-}
+}
\ No newline at end of file